
BUG=146390 TEST=covered by tests R=ben@chromium.org Review URL: https://chromiumcodereview.appspot.com/10912098 git-svn-id: svn://svn.chromium.org/chrome/trunk/src@155055 0039d316-1c4b-4281-b951-d872f2087c98
54 lines
1.8 KiB
C++
54 lines
1.8 KiB
C++
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef ASH_WM_DEFAULT_WINDOW_RESIZER_H_
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#define ASH_WM_DEFAULT_WINDOW_RESIZER_H_
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#include "ash/wm/window_resizer.h"
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#include "base/compiler_specific.h"
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namespace ash {
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// WindowResizer is used by ToplevelWindowEventFilter to handle dragging, moving
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// or resizing a window. All coordinates passed to this are in the parent
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// windows coordiantes.
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class ASH_EXPORT DefaultWindowResizer : public WindowResizer {
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public:
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virtual ~DefaultWindowResizer();
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// Creates a new DefaultWindowResizer. The caller takes ownership of the
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// returned object. Returns NULL if not resizable.
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static DefaultWindowResizer* Create(aura::Window* window,
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const gfx::Point& location,
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int window_component);
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// Returns true if the drag will result in changing the window in anyway.
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bool is_resizable() const { return details_.is_resizable; }
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bool changed_size() const {
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return !(details_.bounds_change & kBoundsChange_Repositions);
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}
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aura::Window* target_window() const { return details_.window; }
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// WindowResizer overides:
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virtual void Drag(const gfx::Point& location, int event_flags) OVERRIDE;
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virtual void CompleteDrag(int event_flags) OVERRIDE;
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virtual void RevertDrag() OVERRIDE;
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virtual aura::Window* GetTarget() OVERRIDE;
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private:
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explicit DefaultWindowResizer(const Details& details);
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const Details details_;
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// Set to true once Drag() is invoked and the bounds of the window change.
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bool did_move_or_resize_;
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DISALLOW_COPY_AND_ASSIGN(DefaultWindowResizer);
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};
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} // namespace aura
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#endif // ASH_WM_DEFAULT_WINDOW_RESIZER_H_
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